AcTools.Utils.Helpers.ProcessExtension.HasExitedSafe C# (CSharp) Method

        public static bool HasExitedSafe(this Process process) {
            var handle = Kernel32.OpenProcess(Kernel32.ProcessAccessFlags.QueryLimitedInformation | Kernel32.ProcessAccessFlags.Synchronize, false, process.Id);
            if (handle == IntPtr.Zero || handle == new IntPtr(-1)) return true;

            try {
                int exitCode;
                if (Kernel32.GetExitCodeProcess(handle, out exitCode) && exitCode != Kernel32.STILL_ACTIVE) return true;
                using (var w = new ProcessWrapper.ProcessWaitHandle(handle)) {
                    return w.WaitOne(0, false);
                }
            } finally {
                Kernel32.CloseHandle(handle);
            }
        }